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公开(公告)号：US20220190025A1
公开(公告)日：2022-06-16
申请号：US17401713
申请日：2021-08-13
发明人： Chul Jong YOO , Dong Uk KIM , Se Young KIM , So Young LEE , Hyung Rae CHA
摘要： A light emitting diode includes a first end and a second end facing each other, a current blocking layer, a first semiconductor layer, an active layer, a second semiconductor layer, and an insulating film surrounding outer circumferential surfaces of the first semiconductor layer, the active layer, and the second semiconductor layer and exposing at least a portion of the current blocking layer and at least a portion of the first semiconductor layer at the second end. The current blocking layer, the first semiconductor layer, the active layer, and the second semiconductor layer are sequentially disposed in a direction from the second end to the first end.
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公开(公告)号：US20210265419A1
公开(公告)日：2021-08-26
申请号：US17316339
申请日：2021-05-10
发明人： Dong Uk KIM , Hyun Min CHO , Keun Kyu SONG , Dae Hyun KIM , Jung Hong MIN , Seung A LEE , Hyung Rae CHA
摘要： A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.
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公开(公告)号：US20240222554A1
公开(公告)日：2024-07-04
申请号：US18517315
申请日：2023-11-22
发明人： Hyung Rae CHA , Hoo Keun PARK , Dong Uk KIM
摘要： A light emitting element includes a first semiconductor layer, a second semiconductor layer, an active layer between the first semiconductor layer and the second semiconductor layer, and a first insulating layer surrounding the first semiconductor layer, the second semiconductor layer, and the active layer, and a first thickness of the first insulating layer surrounding the first semiconductor layer is different from a second thickness of the first insulating layer surrounding the second semiconductor layer.
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公开(公告)号：US20230352621A1
公开(公告)日：2023-11-02
申请号：US18008389
申请日：2020-08-11
发明人： Hyung Rae CHA , Dong Uk KIM , Se Young KIM
CPC分类号： H01L33/145 , H01L33/24 , H01L33/38 , H01L33/007 , H01L33/325
摘要： A light-emitting device includes: a light-emitting device core including a first semiconductor layer, a second semiconductor layer on the first semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; an electrode layer on the second semiconductor layer of the light-emitting device core, and an insulating film around a side surface of the light-emitting device core, wherein a side surface of the electrode layer protrudes outward from a side surface of the second semiconductor layer.
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公开(公告)号：US20230282778A1
公开(公告)日：2023-09-07
申请号：US17992656
申请日：2022-11-22
发明人： Dong Gyun KIM , Jun Bo SIM , Hee Yeon YOO , Jeong In CHOI , Chul Jong YOO , Yo Han LEE , Sung Ae JANG , Hyun Min CHO , Hyung Rae CHA
IPC分类号： H01L33/38 , H01L25/075 , H01L33/62
CPC分类号： H01L33/382 , H01L25/0753 , H01L33/62
摘要： A light-emitting element comprises a core comprising a first semiconductor layer, a second semiconductor layer provided on the first semiconductor layer, and an emissive layer provided between the first semiconductor layer and the second semiconductor layer, and a first element insulating film around a side surface of the core, wherein the first element insulating film comprises a composite of an insulating member and an elastic member.
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16.发明申请公开(公告)号：US20220140191A1
公开(公告)日：2022-05-05
申请号：US17365461
申请日：2021-07-01
发明人： Young Chul SIM , Hyung Rae CHA , Dong Uk KIM , Sung Ae JANG , Ji Hyun HAM
摘要： A light emitting element includes a first semiconductor layer including a first type of semiconductor, the first semiconductor layer including a 1-1-th semiconductor layer and a 1-2-th semiconductor layer, which are arranged in a length direction of the light emitting element; a second semiconductor layer including a second type of semiconductor different from the first type; an active layer disposed between the 1-2-th semiconductor layer and the second semiconductor layer; and an intermediate layer disposed between the 1-1-th semiconductor layer and the 1-2-th semiconductor layer and having a porous structure.
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公开(公告)号：US20210167050A1
公开(公告)日：2021-06-03
申请号：US17250633
申请日：2019-01-03
发明人： Hyun Min CHO , Dae Hyun KIM , Dong Uk KIM , Jung Hong MIN , Seung A LEE , Hyung Rae CHA
IPC分类号： H01L25/075 , H01L27/12 , H01L33/00 , H01L33/22 , H01L33/62
摘要： Provided are a light emitting device, a method for manufacturing same, and a display device including the light emitting device. The method for manufacturing the light emitting device comprises the steps of: preparing a lower substrate including a substrate and a buffer semiconductor layer formed on the substrate, forming an element rod by forming a separating layer disposed on the lower substrate, forming a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, and etching the first conductivity type semiconductor layer, the active material layer, the second conductivity type semiconductor layer, and the separating layer in a direction perpendicular to the lower substrate, forming a first insulating layer surrounding an outer circumferential surface of the element rod, forming a second insulating layer surrounding an outer circumferential surface of the first insulating layer and separating the element rod from the lower substrate to form a light emitting element.
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公开(公告)号：US20200043976A1
公开(公告)日：2020-02-06
申请号：US16275794
申请日：2019-02-14
发明人： Dong Uk KIM , Hyun Min CHO , Keun Kyu SONG , Dae Hyun KIM , Jung Hong MIN , Seung A. LEE , Hyung Rae CHA
摘要： A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.
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19.发明公开公开(公告)号：US20240038738A1
公开(公告)日：2024-02-01
申请号：US18483444
申请日：2023-10-09
发明人： Hyun Min CHO , Dae Hyun KIM , Dong Uk KIM , Jung Hong MIN , Seung A LEE , Hyung Rae CHA
IPC分类号： H01L25/075 , H01L33/00 , H01L27/12 , H01L33/22 , H01L33/62
CPC分类号： H01L25/0753 , H01L33/0093 , H01L27/1214 , H01L33/22 , H01L33/62 , H01L2933/0066
摘要： Provided are a light emitting device, a method for manufacturing same, and a display device including the light emitting device. The method for manufacturing the light emitting device comprises the steps of: preparing a lower substrate including a substrate and a buffer semiconductor layer formed on the substrate, forming an element rod by forming a separating layer disposed on the lower substrate, forming a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, and etching the first conductivity type semiconductor layer, the active material layer, the second conductivity type semiconductor layer, and the separating layer in a direction perpendicular to the lower substrate, forming a first insulating layer surrounding an outer circumferential surface of the element rod, forming a second insulating layer surrounding an outer circumferential surface of the first insulating layer and separating the element rod from the lower substrate to form a light emitting element.
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公开(公告)号：US20230018385A1
公开(公告)日：2023-01-19
申请号：US17675052
申请日：2022-02-18
发明人： Hyung Rae CHA , Dong Uk KIM , Dong Kyun SEO , Young Chul SIM
摘要： A light-emitting element and a display device including the same are provided. The light-emitting element comprising: a light-emitting element core including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a light-emitting layer disposed between the first semiconductor layer and the second semiconductor layer, a nitride insulating film surrounding a side face of the light-emitting element core, a first element insulating film surrounding an outer side face of the nitride insulating film, and a second element insulating film surrounding an outer side face of the first element insulating film, wherein a thickness of the nitride insulating film is smaller than each of a thickness of the first element insulating film and a thickness of the second element insulating film.
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